:root {
  --primary: #0f172a; /* Navy */
  --accent: #ef4444; /* Bright Red */
  --accent-hover: #dc2626;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --text-main: #334155;
  --text-light: #64748b;
  --text-white: #f8fafc;
  --border: #e2e8f0;
  --radius: 0.5rem;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.6;
  padding-bottom: 70px; /* mobile CTA space */
}
@media (min-width: 768px) { body { padding-bottom: 0; } }

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 { color: var(--primary); margin-bottom: 1rem; line-height: 1.2; }
h1 { font-size: 2.5rem; font-weight: 800; }
h2 { font-size: 2rem; font-weight: 700; margin-top: 2.5rem; }
h3 { font-size: 1.5rem; font-weight: 600; margin-top: 1.5rem; }
p { margin-bottom: 1.25rem; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 4rem 0; }
.section-light { background-color: var(--bg-white); }
.section-dark { background-color: var(--primary); color: var(--text-white); }
.section-dark h2, .section-dark p { color: var(--text-white); }

/* Buttons - accent color only used for CTA */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--accent);
  color: #fff;
  font-weight: 700;
  border-radius: var(--radius);
  text-align: center;
  transition: background-color 0.2s;
  box-shadow: var(--shadow-sm);
  border: none;
}
.btn:hover { background-color: var(--accent-hover); }
.btn-large { padding: 1rem 2rem; font-size: 1.125rem; }

/* Header */
.site-header { position: sticky; top: 0; background-color: var(--primary); color: var(--text-white); z-index: 1000; padding: 1rem 0; }
.header-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--text-white); }
.nav-menu { display: none; }
@media (min-width: 992px) {
  .nav-menu { display: flex; gap: 1.5rem; align-items: center; }
  .nav-link { font-weight: 500; transition: opacity 0.2s; color: var(--text-white); }
  .nav-link:hover { opacity: 0.8; }
  .dropdown { position: relative; }
  .dropdown-menu {
    display: none; position: absolute; top: 100%; left: 0; background-color: var(--primary);
    min-width: 250px; box-shadow: var(--shadow-md); padding: 0.5rem 0; z-index: 1001;
  }
  .dropdown:hover .dropdown-menu { display: block; }
  .dropdown-item { display: block; padding: 0.5rem 1rem; color: var(--text-white); }
  .dropdown-item:hover { background-color: rgba(255,255,255,0.1); }
}

.hamburger {
  display: block; font-size: 1.5rem; background: none; border: none;
  color: var(--text-white); cursor: pointer;
}
@media (min-width: 992px) { .hamburger { display: none; } }

.mobile-nav {
  display: none; position: absolute; top: 100%; left: 0; width: 100%;
  background-color: var(--primary); padding: 1rem; flex-direction: column; gap: 1rem;
  box-shadow: var(--shadow-md);
}
.mobile-nav.active { display: flex; }
.mobile-nav .nav-link { color: var(--text-white); display: block; padding: 0.5rem 0; }
.mobile-nav .btn { display: inline-block; width: max-content; }

/* Hero */
.hero { background-color: var(--bg-white); padding: 5rem 0; border-bottom: 1px solid var(--border); }
.hero-content { max-width: 800px; }
.hero .eyebrow { display: block; text-transform: uppercase; font-weight: 700; color: var(--text-light); margin-bottom: 0.5rem; }
.hero-text { font-size: 1.25rem; color: var(--text-main); margin-bottom: 2rem; }

/* Call Box */
.call-box {
  background-color: var(--primary);
  color: var(--text-white);
  border-radius: var(--radius);
  padding: 2.5rem;
  text-align: center;
  margin: 3rem 0;
}
.call-box h3 { color: var(--text-white); margin-top: 0; margin-bottom: 1.5rem; }

/* Checklist & FAQs */
.checklist, .faq-list { list-style: none; padding: 0; margin-bottom: 2rem; }
.checklist li { position: relative; padding-left: 2rem; margin-bottom: 0.75rem; }
.checklist li::before { content: '✓'; position: absolute; left: 0; color: var(--primary); font-weight: bold; }

.faq-list li { margin-bottom: 1.5rem; }
.faq-list h3 { font-size: 1.25rem; margin: 0 0 0.5rem 0; }

/* Related Services */
.services-grid {
  display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-top: 2rem;
}
@media (min-width: 768px) {
  .services-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
}
.service-card {
  background: var(--bg-light); padding: 1.5rem; border-radius: var(--radius);
  border: 1px solid var(--border); transition: transform 0.2s;
}
.service-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.service-card h3 { margin-top: 0; font-size: 1.25rem; margin-bottom: 0.5rem; }

/* Breadcrumbs */
.breadcrumbs {
  padding: 1rem 0; background-color: var(--bg-light); border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}
.breadcrumbs a { color: var(--primary); text-decoration: underline; }
.breadcrumbs span { margin: 0 0.5rem; color: var(--text-light); }

/* Footer */
.site-footer {
  background-color: var(--primary); color: #cbd5e1; padding: 4rem 0 2rem;
}
.site-footer h4 { color: var(--text-white); margin-bottom: 1rem; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 2rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: repeat(3, 1fr); } }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a:hover { text-decoration: underline; }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.875rem; }

/* Mobile Sticky Call Bar */
.mobile-call-bar {
  position: fixed; bottom: 0; left: 0; width: 100%;
  background-color: var(--accent); color: #fff; padding: 1rem;
  text-align: center; font-weight: 700; z-index: 1000;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
  display: flex; justify-content: center; align-items: center;
}
@media (min-width: 768px) { .mobile-call-bar { display: none; } }

/* Main Content Links */
.content-area a { color: var(--primary); text-decoration: underline; font-weight: 500; }
.content-area a:hover { color: var(--accent); }